Finding the Fourth Proportional to 3,713,120.19, 5,569,758.05 and 1,188,768.15
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Solution
The fourth proportional to 3,713,120.19, 5,569,758.05 and 1,188,768.15 is: 1,783,177.12
Step by Step Solution
- Step 1: Write the proportion equation
3,713,120.19 : 5,569,758.05 = 1,188,768.15 : x - Step 2: Convert to fraction form
3,713,120.19/5,569,758.05 = 1,188,768.15/x - Step 3: Cross multiply
3,713,120.19x = 5,569,758.05 × 1,188,768.15 - Step 4: Simplify right side
3,713,120.19x = 6,621,150,967,102.27 - Step 5: Solve for x
x = 6,621,150,967,102.27/3,713,120.19 - Step 6: Final answer
x = 1,783,177.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.